Refrigerator



FIG. 1 is a front view of refrigerator;

FIG. 2 is a rear view thereof;

FIG. 3 is a right-side view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is an upper, left perspective view thereof; and,

FIG. 8 is a perspective view thereof, shown with the door in an open position. 

The ornamental design for a refrigerator, as shown and described. 